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Portable haptic device for lower limb amputee gait feedback: assessing static and dynamic perceptibility

Husman, Muhammad Afif and Maqbool, Hafiz Farhan and Awad, Mohammed I. and Dehghani-Sanij, Abbas Ali (2017) Portable haptic device for lower limb amputee gait feedback: assessing static and dynamic perceptibility. In: 2017 International Conference on Rehabilitation Robotics (ICORR), 17-20 July 2017, QEII Centre London; United Kingdom.

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Loss of joints and severed sensory pathway cause reduced mobility capabilities in lower limb amputees. Although prosthetic devices attempt to restore normal mobility functions, lack of awareness and control of limb placement increase the risk of falling and causing amputee to have high level of visual dependency. Haptic feedback can serve as a cue for gait events during ambulation thus providing sense of awareness of the limb position. This paper presents a wireless wearable skin stretch haptic device to be fitted around the thigh region. The movement profile of the device was characterized and a preliminary work with able-bodied participants and an above-knee amputee to assess the ability of users to perceive the delivered stimuli during static and dynamic mode is reported. Perceptibility was found to be increasing with stretch magnitude. It was observed that a higher magnitude of stretch was needed for the stimuli to be accurately perceived during walking in comparison to static standing, most likely due to the intense movement of the muscle and increased motor skills demand during walking activity.

Item Type: Conference or Workshop Item (Plenary Papers)
Additional Information: 8402/70210
Uncontrolled Keywords: Lower limb; Haptic; Prosthetics
Subjects: T Technology > T Technology (General)
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Mechatronics Engineering
Depositing User: Dr Muhammad Afif Bin Husman
Date Deposited: 03 Apr 2019 16:03
Last Modified: 03 Apr 2019 16:03
URI: http://irep.iium.edu.my/id/eprint/70210

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